Add documentation for the options --enable-vtable-verify,
--disable-vtable-verify and --disable-libvtv. Also update configure and make files in libvtv not to use --enable-vtable-verify. From-SVN: r202346
This commit is contained in:
Caroline Tice
Caroline Tice
parent
5e8d9b4559
commit
87f3fea84f
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@ -1,3 +1,8 @@
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2013-09-06 Caroline Tice <cmtice@google.com>
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* doc/install.texi: Add documentation for the --enable-vtable-verify
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and the --disable-libvtv configure options.
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2013-09-06 Jeff Law <law@redhat.com>
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* tree-ssa-dom.c (cprop_into_successor_phis): Also propagate
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@ -1036,6 +1036,18 @@ and for cross builds configured with @option{--with-sysroot}, and without
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More documentation about multiarch can be found at
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@uref{http://wiki.debian.org/Multiarch}.
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@item --enable-vtable-verify
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Specify whether to enable or disable the vtable verification feature.
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Enabling this feature causes libstdc++ to be built with its virtual calls
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in verifiable mode. This means that, when linked with libvtv, every
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virtual call in libstdc++ will verify the vtable pointer through which the
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call will be made before actually making the call. If not linked with libvtv,
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the verifier will call stub functions (in libstdc++ itself) and do nothing.
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If vtable verification is disabled, then libstdc++ is not built with its
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virtual calls in verifiable mode at all. However the libvtv library will
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still be built (see @option{--disable-libvtv} to turn off building libvtv).
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@option{--disable-vtable-verify} is the default.
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@item --disable-multilib
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Specify that multiple target
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libraries to support different target variants, calling
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@ -1422,6 +1434,10 @@ support for @code{libquadmath} on systems supporting it.
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@item --disable-libgomp
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Specify that the run-time libraries used by GOMP should not be built.
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@item --disable-libvtv
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Specify that the run-time libraries used by vtable verification
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should not be built.
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@item --with-dwarf2
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Specify that the compiler should
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use DWARF 2 debugging information as the default.
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@ -1,3 +1,11 @@
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2013-09-06 Caroline Tice <cmtice@google.com>
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* Makefile.am: Remove #if ENABLE_VTABLE_VERIFY checks around
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definitions of SUBDIRS, libvtv_la_SOURCES and libvtv_include_HEADERS.
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* Makefile.in: Regenerate.
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* configure.ac: Remove checks and tests for --enable-vtable-verify.
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* configure: Regenerate.
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2013-08-20 Caroline Tice <cmtice@google.com>
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* Makefile.am (DEFS): Add "@DEFS@", to inherit defintions.
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@ -19,11 +19,7 @@
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## along with this library; see the file COPYING3. If not see
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## <http://www.gnu.org/licenses/>.
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if ENABLE_VTABLE_VERIFY
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SUBDIRS = testsuite
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else
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SUBDIRS =
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endif
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ACLOCAL_AMFLAGS = -I .. -I ../config
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@ -67,13 +63,8 @@ vtv_end.c:
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rm -f $@
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$(LN_S) $(toplevel_srcdir)/libgcc/vtv_end.c $@
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if ENABLE_VTABLE_VERIFY
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libvtv_la_SOURCES = $(vtv_sources)
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libvtv_include_HEADERS = $(vtv_headers)
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else
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libvtv_la_SOURCES =
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libvtv_include_HEADERS =
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endif
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# Least ordering for dependencies mean linking w/o libstdc++ for as
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# long as the development of libvtv does not absolutely require it.
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@ -40,7 +40,7 @@ subdir = .
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DIST_COMMON = ChangeLog $(srcdir)/Makefile.in $(srcdir)/Makefile.am \
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$(top_srcdir)/configure $(am__configure_deps) \
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$(srcdir)/../mkinstalldirs $(srcdir)/../depcomp \
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$(am__libvtv_include_HEADERS_DIST)
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$(libvtv_include_HEADERS)
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ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
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am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
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$(top_srcdir)/../config/depstand.m4 \
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@ -86,7 +86,7 @@ LTLIBRARIES = $(toolexeclib_LTLIBRARIES)
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libvtv_la_LIBADD =
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am__objects_1 = vtv_start.lo vtv_malloc.lo vtv_rts.lo vtv_utils.lo \
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vtv_end.lo
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@ENABLE_VTABLE_VERIFY_TRUE@am_libvtv_la_OBJECTS = $(am__objects_1)
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am_libvtv_la_OBJECTS = $(am__objects_1)
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libvtv_la_OBJECTS = $(am_libvtv_la_OBJECTS)
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DEFAULT_INCLUDES = -I.@am__isrc@
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depcomp = $(SHELL) $(top_srcdir)/../depcomp
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@ -118,8 +118,6 @@ RECURSIVE_TARGETS = all-recursive check-recursive dvi-recursive \
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install-pdf-recursive install-ps-recursive install-recursive \
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installcheck-recursive installdirs-recursive pdf-recursive \
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ps-recursive uninstall-recursive
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am__libvtv_include_HEADERS_DIST = vtv_map.h vtv_malloc.h vtv_fail.h \
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vtv_set.h vtv_utils.h vtv_rts.h
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HEADERS = $(libvtv_include_HEADERS)
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RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive \
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distclean-recursive maintainer-clean-recursive
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@ -127,7 +125,7 @@ AM_RECURSIVE_TARGETS = $(RECURSIVE_TARGETS:-recursive=) \
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$(RECURSIVE_CLEAN_TARGETS:-recursive=) tags TAGS ctags CTAGS
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ETAGS = etags
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CTAGS = ctags
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DIST_SUBDIRS = testsuite
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DIST_SUBDIRS = $(SUBDIRS)
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ACLOCAL = @ACLOCAL@
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AMTAR = @AMTAR@
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AR = @AR@
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@ -265,8 +263,7 @@ top_builddir = @top_builddir@
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top_srcdir = @top_srcdir@
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toplevel_builddir = @toplevel_builddir@
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toplevel_srcdir = @toplevel_srcdir@
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@ENABLE_VTABLE_VERIFY_FALSE@SUBDIRS =
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@ENABLE_VTABLE_VERIFY_TRUE@SUBDIRS = testsuite
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SUBDIRS = testsuite
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ACLOCAL_AMFLAGS = -I .. -I ../config
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# May be used by toolexeclibdir.
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@ -296,10 +293,8 @@ libvtv_includedir = $(includedir)
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# Link in vtv_start and vtv_end.
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BUILT_SOURCES = vtv_start.c vtv_end.c
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@ENABLE_VTABLE_VERIFY_FALSE@libvtv_la_SOURCES =
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@ENABLE_VTABLE_VERIFY_TRUE@libvtv_la_SOURCES = $(vtv_sources)
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@ENABLE_VTABLE_VERIFY_FALSE@libvtv_include_HEADERS =
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@ENABLE_VTABLE_VERIFY_TRUE@libvtv_include_HEADERS = $(vtv_headers)
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libvtv_la_SOURCES = $(vtv_sources)
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libvtv_include_HEADERS = $(vtv_headers)
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# Least ordering for dependencies mean linking w/o libstdc++ for as
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# long as the development of libvtv does not absolutely require it.
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@ -699,8 +699,6 @@ build_os
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build_vendor
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build_cpu
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build
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ENABLE_VTABLE_VERIFY_FALSE
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ENABLE_VTABLE_VERIFY_TRUE
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target_alias
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host_alias
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build_alias
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@ -743,7 +741,6 @@ ac_subst_files=''
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ac_user_opts='
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enable_option_checking
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enable_version_specific_runtime_libs
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enable_vtable_verify
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enable_multilib
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enable_maintainer_mode
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enable_dependency_tracking
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@ -1385,7 +1382,6 @@ Optional Features:
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--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
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--enable-FEATURE[=ARG] include FEATURE [ARG=yes]
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--enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory
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--enable-vtable-verify Enable vtable verification feature
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--enable-multilib build many library versions (default)
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--enable-maintainer-mode enable make rules and dependencies not useful
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(and sometimes confusing) to the casual installer
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@ -2343,23 +2339,6 @@ fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $version_specific_libs" >&5
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$as_echo "$version_specific_libs" >&6; }
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# Use same top-level configure hooks in libgcc/libstdc++/libvtv.
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for --enable-vtable-verify" >&5
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$as_echo_n "checking for --enable-vtable-verify... " >&6; }
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# Check whether --enable-vtable-verify was given.
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if test "${enable_vtable_verify+set}" = set; then :
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enableval=$enable_vtable_verify; case "$enableval" in
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yes) enable_vtable_verify=yes ;;
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no) enable_vtable_verify=no ;;
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*) enable_vtable_verify=no;;
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esac
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else
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enable_vtable_verify=no
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_vtable_verify" >&5
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$as_echo "$enable_vtable_verify" >&6; }
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# See if supported.
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unset VTV_SUPPORTED
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for host support for vtable verification" >&5
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@ -2371,20 +2350,10 @@ $as_echo "$VTV_SUPPORTED" >&6; }
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# Decide if it's usable.
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use_vtable_verify=no
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if test "x$VTV_SUPPORTED" = "xyes"; then
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if test "x$enable_vtable_verify" = "xyes"; then
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use_vtable_verify=yes
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{ $as_echo "$as_me:${as_lineno-$LINENO}: using vtable verification" >&5
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use_vtable_verify=yes
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{ $as_echo "$as_me:${as_lineno-$LINENO}: using vtable verification" >&5
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$as_echo "$as_me: using vtable verification" >&6;}
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fi
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fi
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if test $use_vtable_verify = yes; then
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ENABLE_VTABLE_VERIFY_TRUE=
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ENABLE_VTABLE_VERIFY_FALSE='#'
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else
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ENABLE_VTABLE_VERIFY_TRUE='#'
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ENABLE_VTABLE_VERIFY_FALSE=
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fi
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# Do not delete or change the following two lines. For why, see
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# http://gcc.gnu.org/ml/libstdc++/2003-07/msg00451.html
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@ -12121,7 +12090,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<_LT_EOF
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#line 12124 "configure"
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#line 12093 "configure"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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@ -12227,7 +12196,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<_LT_EOF
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#line 12230 "configure"
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#line 12199 "configure"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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@ -15637,10 +15606,6 @@ LIBOBJS=$ac_libobjs
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LTLIBOBJS=$ac_ltlibobjs
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if test -z "${ENABLE_VTABLE_VERIFY_TRUE}" && test -z "${ENABLE_VTABLE_VERIFY_FALSE}"; then
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as_fn_error "conditional \"ENABLE_VTABLE_VERIFY\" was never defined.
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Usually this means the macro was only invoked conditionally." "$LINENO" 5
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fi
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if test -n "$EXEEXT"; then
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am__EXEEXT_TRUE=
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am__EXEEXT_FALSE='#'
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@ -20,18 +20,6 @@ AC_ARG_ENABLE(version-specific-runtime-libs,
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[version_specific_libs=no])
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AC_MSG_RESULT($version_specific_libs)
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# Use same top-level configure hooks in libgcc/libstdc++/libvtv.
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AC_MSG_CHECKING([for --enable-vtable-verify])
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AC_ARG_ENABLE(vtable-verify,
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[ --enable-vtable-verify Enable vtable verification feature ],
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[case "$enableval" in
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yes) enable_vtable_verify=yes ;;
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no) enable_vtable_verify=no ;;
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*) enable_vtable_verify=no;;
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esac],
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[enable_vtable_verify=no])
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AC_MSG_RESULT($enable_vtable_verify)
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# See if supported.
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unset VTV_SUPPORTED
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AC_MSG_CHECKING([for host support for vtable verification])
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@ -41,12 +29,9 @@ AC_MSG_RESULT($VTV_SUPPORTED)
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# Decide if it's usable.
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use_vtable_verify=no
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if test "x$VTV_SUPPORTED" = "xyes"; then
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if test "x$enable_vtable_verify" = "xyes"; then
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use_vtable_verify=yes
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AC_MSG_NOTICE(using vtable verification)
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fi
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use_vtable_verify=yes
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AC_MSG_NOTICE(using vtable verification)
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fi
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AM_CONDITIONAL(ENABLE_VTABLE_VERIFY, test $use_vtable_verify = yes)
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# Do not delete or change the following two lines. For why, see
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# http://gcc.gnu.org/ml/libstdc++/2003-07/msg00451.html
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